OpenTechnical

OT-2026-000033410

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033410) never changes.

Identity and time

Publication numberOT-2026-000033410 · never reused
Internal UUID01a0ae75-8980-714a-83ce-509d9a66aaa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033410
StatusPUBLIC

Content hashes

Canonical texte29bda72b8fd6a5ee8053151d6dd279cae5c4cbf1991a8c440b8ad468d4ae5d3
Markdownd6f00d6ed5f5ee5ddc9a73c8b414a0eb988e5c97e68422dd93cf4e8605579477
PDF
Publication pageef6c38ec3d1d99e29f9b2319186e6279595da460a71a91d789b644b2426f678a
Manifestbc677fc2d100ab62f1f6e1890d575b2a6cb2ac52a063feb6163ef86c58294c4c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNtWSqbGffdaihFKS0LGzZiPGjFf2r1UCadDNHCGYiLUqyGEpyMxjzME5gaZCu4c82Q/o3CXcAD0q3RZ6AlILBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:11.564682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033410
observed ef6c38ec3d1d99e29f9b2319186e6279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.548771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033410/manifest.json
observed bc677fc2d100ab62f1f6e1890d575b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.531037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033410/publication.md
observed d6f00d6ed5f5ee5ddc9a73c8b414a0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.513295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033410/publication.txt
observed e29bda72b8fd6a5ee8053151d6dd279c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.